(3)牛腿铁件与T形槽固定后应焊接牢固,与主体结构混凝土接触面的间隙不得大于lmm,并用镀锌钢板塞实。牛腿铁件与幕墙的连接,必须垫好防震胶垫。施工现场焊接的钢件焊缝,应在现场涂二道防锈漆。
(3) the bracket should be firmly welded with T grooves. The clearance between the bracket and the main structural concrete shall not be more than LMM and be welded with galvanized steel sheet. The connection between the iron piece and the curtain wall must be cushions. Two welds of anticorrosive paint shall be applied to the welds of steel welds at the construction site.